Move expensive filter to AND

[cicdw]

A user identified that this was a problematic expression to include in the OR as it risks returning massive numbers of subflow runs; this PR correctly moves the expression to the AND of the where clause, which will hopefully close #15231

[codspeed-hq]

CodSpeed Performance Report

Merging #15286 will not alter performance

_{Comparing cancellation-query (bbad44a) with main (978df16)}

Summary

✅ 3 untouched benchmarks

[zzstoatzz]

makes sense to me!

[chrisguidry]

💪